private float animateArrestingWire(SceneNode arrestingWire, float targetWorldXPos)
{
float lastH;
SceneNode lWire = (SceneNode)arrestingWire.GetChild(0);
SceneNode rWire = (SceneNode)arrestingWire.GetChild(1);
SceneNode temp;
// fix zamienione nody
if (rWire.Name.StartsWith(name + "_LArrestingWire"))
{
temp = lWire;
lWire = rWire;
rWire = temp;
}
lastH = lWire._getDerivedPosition().x - targetWorldXPos;
Radian alpha = Math.ATan(lastH / (0.5f * arrestingWiresSpan)); // k¹t wychylenia kawalkow liny
float length = lastH / Math.Sin(alpha); // dlugosc liny
lWire.Orientation = new Quaternion(Math.HALF_PI, Vector3.UNIT_X);
lWire.Orientation *= new Quaternion(Math.HALF_PI, Vector3.UNIT_Z);
lWire.Orientation *= new Quaternion(alpha, Vector3.NEGATIVE_UNIT_Z);
lWire.SetScale(1, length, 1);
rWire.Orientation = new Quaternion(Math.HALF_PI, Vector3.UNIT_X);
rWire.Orientation *= new Quaternion(Math.HALF_PI, Vector3.NEGATIVE_UNIT_Z);
rWire.Orientation *= new Quaternion(alpha, Vector3.UNIT_Z);
rWire.SetScale(1, length, 1);
return(lastH);
}
//--------------------------------------------------------------
public void modify()
{
if (mInputTriangleBuffer == null)
{
OGRE_EXCEPT("Exception::ERR_INVALID_STATE", "Input triangle buffer must be set", "__FUNCTION__");
}
;
//for (List<TriangleBuffer.Vertex>.Enumerator it = mInputTriangleBuffer.getVertices().begin(); it != mInputTriangleBuffer.getVertices().end(); ++it)
foreach (var it in mInputTriangleBuffer.getVertices())
{
Vector3 v = it.mPosition.NormalisedCopy;
Vector2 vxz = new Vector2(v.x, v.z);
it.mUV.x = Utils.angleTo(Vector2.UNIT_X, vxz).ValueRadians / Math.TWO_PI;
it.mUV.y = (Math.ATan(v.y / vxz.Length).ValueRadians + Math.HALF_PI) / Math.PI;
}
}
//--------------------------------------------------------------
public void modify()
{
if (mInputTriangleBuffer == null)
{
OGRE_EXCEPT("Exception::ERR_INVALID_STATE", "Input triangle buffer must be set", "__FUNCTION__");
}
if (mHeight <= 0f)
{
OGRE_EXCEPT("Exception::ERR_INVALID_STATE", "Height must be strictly positive", "__FUNCTION__");
}
if (mRadius <= 0f)
{
OGRE_EXCEPT("Exception::ERR_INVALID_STATE", "Radius must be strictly positive", "__FUNCTION__");
}
;
float angleThreshold = Math.ATan(mHeight / mRadius).ValueRadians;
//for (List<TriangleBuffer.Vertex>.Enumerator it = mInputTriangleBuffer.getVertices().begin(); it != mInputTriangleBuffer.getVertices().end(); ++it)
foreach (var it in mInputTriangleBuffer.getVertices())
{
Vector2 nxz = new Vector2(it.mNormal.x, it.mNormal.z);
float alpha = (Math.ATan(it.mNormal.y / nxz.Length).ValueRadians + Math.HALF_PI);
if (Math.Abs(alpha) > angleThreshold)
{
Vector2 vxz = new Vector2(it.mPosition.x, it.mPosition.z);
it.mUV = vxz / mRadius;
}
else
{
Vector2 vxz = new Vector2(it.mPosition.x, it.mPosition.z);
it.mUV.x = Utils.angleTo(Vector2.UNIT_X, vxz).ValueRadians / Math.TWO_PI;
it.mUV.y = it.mPosition.y / mHeight - 0.5f;
}
}
}